Question about Computer Monitors

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It was working great and 1 day it just went black it is less than 2 years old, i've asked 2 pc repair people they both said when it does that it can't be repaire is this true?

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  • Newgirl822 Dec 02, 2008

    I'm having the same problem. Mine is only a little over 1 year old. Any help would be great.

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Monitor circuit board is going to be repaired by an electronic technician who knows how to troubleshoot and check electronic components that is causing the monitor to go black.It it can be fixed, bring it to the repair shop. It's still new recons a small repair will do.

Posted on Dec 02, 2008

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This is the strangest thing I've ever seen. I have a Gateway FPD1975W TFT Monitor and its always worked great. The other day it went into a sleep mode via windows, and now it wont boot up the input...


Hello,

Your monitor problem is causes by the power supply. What is happening is the power supply voltages are not stable, just enough to power the unit up. When you connect it to a video signal the power demands slightly increase and the power supply can't handle it. This is a very common problem with LCD after a few years of use. The issue with the power supply is the capacitors have started to fail. These parts are used to filter the output voltage and when they start to fail the outputs start rippling hence the problem you are having. Here is a link to a repair article that shows how to repair the Gateway FPD1975W monitor.

http://www.ccl-la.com/blog/index.php/gateway-fpd1975w-monitor-repair/


I hope this helps you get back going.

BuddyMc

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My lenovo monitor, which is 2 years old, is giving me a problem of flashing on & off instantly, Although, I had sent it for repairs and repairing it worked great for 3 days and again it started with...


Hi gourav_ghsh,

regarding you concern about he monitor you mentioned you tried a different monitor but it does not flicker like the monitor that you have from Lenovo.

to check this issue you will need to try a different monitor Cable if it is VGA or HDMI depends on what you use for the video input.

try changing cables also try resetting the monitor to defaults, all LCD monitors have a factory reset option once the menu button is pressed.

I hope that this helps.


Have a nice day,

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Will not restore after hibernate


dnjspecialti, Possible "black screen of death" . Connect unit to a known good pc running windows XP. If unit still acts same way then go to this old (2005) blog on web. http://www.lesliewong.us/blog/2005/05/02/hp-pavilion-f1703-flat-panel-display-blackout-solution/ Do a lot of reading and take an asprin or two. Then decide on following options you have open for you.
1. Attempt DIY repair. $5 to $20
2. Contract out the repair. $40 to $90
3. Ask HP if "cash+old unit" swap program available. $35 to $100
4. Just trade-in for new unit. $120 to $250
Research #1 option at FIXYA and YOUTUBE first!!! Only to give you working knowledge of how simple the fix may be to restore unit to working order for possible 2-3 years more service. Do some research on BAD, FAILED, SWOLLEN, LEAKY electrolytic filter capacitors. Then return here to fixya and let us tech's know what you will be doing with unit. If this response was of some help, please rate and leave a comment or reply for other black screen owners to follow. By for now.
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The monitor will shot of will show no pictur ,if u restart the pc it will come back for a sec or 2 but than no pic a gian i try it on my other pc and he did it agian,i chack the conecsion i chek the...


coolvegasmik, Sorry, to hear that your "cold cathode-fluorescent-lamp-back-lit-lcd-monitor" is not working. Did you hold and point a bright flashlight 1 inch from the lcd panel when it went to "black-screen"??? Did you see any icons on the "black-screen"?? Software NOT a fix for this "black screen of death" problem. You or electronics technician will need to open L91A and look for bad capacitors or bad soldering on the power supply printed circuit board. If unit is 4 to 6yrs old, just trade-in for new wide screen unit. See video clips of swollen bad capacitors at YOUTUBE when you search "lcd monitor repair". All lcd monitors (99%) use same basic design and principle of operation. Sometimes ccfl back-lit lcd monitors can be repaired for less than $6 in parts and monitor will work for 1 to 3 more years. 12fixlouie

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1 Answer

My sony monitor flat LCD HS74P went black and heated up


Its easy to repair. Some parts that needs replacement are the blown and bulge capacitor in the power supply section on the monitor. They are the very first to be affected when something goes wrong. The others where the inverter transformer and the inverter light. Very cheap to repair, the labor is the one that cost that much. Bring it to a nearer technician in your area and it will be repair in no time

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If you left it plugged into the outlet, the power supply is still running 24/7 even you never trun it on! Look inside for bad caps first, see example of failed SAMSUNG monitors: http://s807.photobucket.com/home/budm/allalbums

Jan 24, 2010 | Samsung SyncMaster 932GW LCD Monitor

1 Answer

I have a samsung 920nw monitor bought it new. It has worked great for months, this morning I went to turn it on and it only came on for a second then turned off. I have restarted the PC and the monitor...


Hello,

It sounds like you have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of the monitor. If you are good at electronics repair/soldering you can usually fix the problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts,replace any that look like the pictures and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping.

I hope this helps, if so please rate my solution.

Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of computer and printer support/repair

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Acer AL2017 20 inch LCD Monitor comes on for 2 sec during start up then goes black. I 've had it for a year now. During start up it comes on 2 sec goes black then as the start up continues comes on 2 sec...


Hi
I repair monitors
Based on other models , it sounds like you are having a powerboard-inverter issue.
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